// DeleteController deletes images from galleries
func DeleteController(c *gin.Context) {
var err error
var df deleteForm
err = c.Bind(&df)
if err != nil {
c.Error(err).SetMeta("image.DeleteController.Bind")
c.HTML(http.StatusInternalServerError, "error.tmpl", nil)
return
}
// start transaction
tx, err := u.Storm.Begin(true)
if err != nil {
c.Error(err).SetMeta("image.DeleteController.Begin")
c.HTML(http.StatusInternalServerError, "error.tmpl", nil)
return
}
defer tx.Rollback()
var gallery m.GalleryType
err = tx.One("ID", df.Gallery, &gallery)
if err != nil {
c.Error(err).SetMeta("image.DeleteController.One")
c.HTML(http.StatusInternalServerError, "error.tmpl", nil)
return
}
sort.Sort(gallery.Files)
// remove the file from the slice
for i := len(gallery.Files) - 1; i >= 0; i-- {
file := gallery.Files[i]
if file.ID == df.Image {
gallery.Files = append(gallery.Files[:i], gallery.Files[i+1:]...)
}
}
err = tx.Save(&gallery)
if err != nil {
c.Error(err).SetMeta("image.DeleteController.Save")
c.HTML(http.StatusInternalServerError, "error.tmpl", nil)
return
}
// commit
tx.Commit()
c.Redirect(http.StatusFound, c.Request.Referer())
return
}
